{
  "manageEntity": {
    "action": "Update",
    "entityId": "733789616",
    "entityType": "Playlist",
    "metadata": "{\"cid\":\"\",\"data\":{\"description\":\"\",\"playlist_name\":\"New Playlist\",\"is_private\":true,\"playlist_image_sizes_multihash\":\"baeaaaiqseauweui33nmnjovqbpvl4fhmcjyjcgm2o7xdv63nvlkbilqtjvhca\",\"release_date\":\"2026-05-13T17:01:39.000Z\",\"ddex_release_ids\":null,\"ddex_app\":\"\",\"upc\":\"\",\"artists\":null,\"copyright_line\":null,\"producer_copyright_line\":null,\"is_image_autogenerated\":true,\"playlist_contents\":[{\"timestamp\":0,\"metadata_timestamp\":1778692469,\"track_id\":1295110388}]}}",
    "nonce": "0xadaeac0a613037b1ce227c63b2a3ac90e72d21ce2af357b5680d70952ab2a52f",
    "signature": "0x58834f970fa71c97ba42ca567bf64a3f341542cb4ece61605e26ca4ab029e7fe7dccfd9f842239c905bc384382e22053b9a2359b4ad02936f3bcd7270fb0f13a1c",
    "signer": "0xD12bff0355c7503A3aC63D35B4ea27cd3D46F29d",
    "userId": "105606965"
  }
}